EP3722791A4 - Dispositif d'éclairage pour inspection - Google Patents

Dispositif d'éclairage pour inspection Download PDF

Info

Publication number
EP3722791A4
EP3722791A4 EP18885909.4A EP18885909A EP3722791A4 EP 3722791 A4 EP3722791 A4 EP 3722791A4 EP 18885909 A EP18885909 A EP 18885909A EP 3722791 A4 EP3722791 A4 EP 3722791A4
Authority
EP
European Patent Office
Prior art keywords
inspection
lighting device
lighting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP18885909.4A
Other languages
German (de)
English (en)
Other versions
EP3722791A1 (fr
Inventor
Shinya HATABE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leimac Ltd
Original Assignee
Leimac Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Leimac Ltd filed Critical Leimac Ltd
Publication of EP3722791A1 publication Critical patent/EP3722791A1/fr
Publication of EP3722791A4 publication Critical patent/EP3722791A4/fr
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0091—Reflectors for light sources using total internal reflection
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8806—Specially adapted optical and illumination features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8806—Specially adapted optical and illumination features
    • G01N2021/8812—Diffuse illumination, e.g. "sky"
    • G01N2021/8816—Diffuse illumination, e.g. "sky" by using multiple sources, e.g. LEDs
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8806—Specially adapted optical and illumination features
    • G01N2021/8838—Stroboscopic illumination; synchronised illumination
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8806—Specially adapted optical and illumination features
    • G01N2021/8845—Multiple wavelengths of illumination or detection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/061—Sources
    • G01N2201/06146—Multisources for homogeneisation, as well sequential as simultaneous operation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/063—Illuminating optical parts
    • G01N2201/0636—Reflectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/08—Optical fibres; light guides
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0091—Positioning aspects of the light source relative to the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
EP18885909.4A 2017-12-04 2018-11-30 Dispositif d'éclairage pour inspection Pending EP3722791A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017232960 2017-12-04
PCT/JP2018/044235 WO2019111821A1 (fr) 2017-12-04 2018-11-30 Dispositif d'éclairage pour inspection

Publications (2)

Publication Number Publication Date
EP3722791A1 EP3722791A1 (fr) 2020-10-14
EP3722791A4 true EP3722791A4 (fr) 2021-07-07

Family

ID=66751491

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18885909.4A Pending EP3722791A4 (fr) 2017-12-04 2018-11-30 Dispositif d'éclairage pour inspection

Country Status (6)

Country Link
US (1) US11105488B2 (fr)
EP (1) EP3722791A4 (fr)
JP (1) JP6775264B2 (fr)
KR (3) KR20190139285A (fr)
CN (1) CN110691967A (fr)
WO (1) WO2019111821A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021085808A (ja) * 2019-11-29 2021-06-03 シーシーエス株式会社 光照射装置
JP7562277B2 (ja) 2020-03-23 2024-10-07 東京エレクトロン株式会社 分光分析システム及び分光分析方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020175632A1 (en) * 2001-05-22 2002-11-28 Yazaki Corporation Led backlight
US20070097066A1 (en) * 2005-10-27 2007-05-03 Ward Calvin B LCD display utilizing light emitters with variable light output
DE102011104214A1 (de) * 2011-06-15 2012-12-20 Osram Opto Semiconductors Gmbh Flächenleuchte mit veränderbarer Lichtfarbe
US20160260415A1 (en) * 2015-03-03 2016-09-08 Panasonic Intellectual Property Management Co., Ltd. Image display device and image display method

Family Cites Families (21)

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Publication number Priority date Publication date Assignee Title
JP3378465B2 (ja) * 1997-05-16 2003-02-17 株式会社東芝 発光装置
JPH1164639A (ja) * 1997-08-13 1999-03-05 Seiko Epson Corp 照明装置、液晶装置及び電子機器
JP2000021206A (ja) * 1998-07-02 2000-01-21 Ccs Kk 照明装置
CN1384352A (zh) * 2001-04-30 2002-12-11 瀚宇彩晶股份有限公司 多颜色光源异物检查装置
JP2003139712A (ja) * 2001-10-31 2003-05-14 Ccs Inc Ｌｅｄ照明装置
US20050117145A1 (en) * 2003-11-28 2005-06-02 Joshua Altman Detection of imperfections in precious stones
US20060132383A1 (en) * 2004-09-27 2006-06-22 Idc, Llc System and method for illuminating interferometric modulator display
CN101393137B (zh) * 2008-10-24 2011-02-02 胡伟 一种产品外观质量检测系统及产品外观质量检测设备
CN101793363A (zh) * 2010-04-20 2010-08-04 威海华菱光电有限公司 一种照明装置
CN101846255A (zh) * 2010-05-12 2010-09-29 威海华菱光电有限公司 一种照明装置光源
JP2012026862A (ja) * 2010-07-23 2012-02-09 Konica Minolta Business Technologies Inc 表面検査装置、表面検査方法
JP2013254711A (ja) * 2012-06-08 2013-12-19 Bando Chemical Industries Ltd 面発光装置
CN102691918A (zh) * 2012-06-15 2012-09-26 昆山翰辉电子科技有限公司 有色平面led灯
US10024790B2 (en) * 2012-10-05 2018-07-17 Seagate Technology Llc Imaging a transparent article
JP2016085171A (ja) * 2014-10-28 2016-05-19 コニカミノルタ株式会社 アレイ物検査用照明装置、アレイ物検査装置およびアレイ物検査用導光板
JP2016136124A (ja) * 2015-01-24 2016-07-28 株式会社イマック 検査用照明装置
CN205664193U (zh) 2016-03-25 2016-10-26 安徽泽润光电有限公司 Led面板灯
CN205535130U (zh) 2016-04-05 2016-08-31 苏州百仕照明有限公司 一种安装拆卸简便的led平板灯
CN106532431A (zh) * 2016-12-28 2017-03-22 尚华 一种应用于人体内的激光发生光导入装置
WO2019035830A1 (fr) * 2017-08-16 2019-02-21 Ecosense Lighting Inc Dispositif de lumière blanche multicanal pour la fourniture de lumière blanche accordable à indice de rendu des couleurs élevé
US10481097B1 (en) * 2018-10-01 2019-11-19 Guardian Glass, LLC Method and system for detecting inclusions in float glass based on spectral reflectance analysis

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020175632A1 (en) * 2001-05-22 2002-11-28 Yazaki Corporation Led backlight
US20070097066A1 (en) * 2005-10-27 2007-05-03 Ward Calvin B LCD display utilizing light emitters with variable light output
DE102011104214A1 (de) * 2011-06-15 2012-12-20 Osram Opto Semiconductors Gmbh Flächenleuchte mit veränderbarer Lichtfarbe
US20160260415A1 (en) * 2015-03-03 2016-09-08 Panasonic Intellectual Property Management Co., Ltd. Image display device and image display method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019111821A1 *

Also Published As

Publication number Publication date
US20200208805A1 (en) 2020-07-02
KR20230003414A (ko) 2023-01-05
CN110691967A (zh) 2020-01-14
EP3722791A1 (fr) 2020-10-14
JP6775264B2 (ja) 2020-10-28
WO2019111821A1 (fr) 2019-06-13
KR20210089793A (ko) 2021-07-16
US11105488B2 (en) 2021-08-31
KR20190139285A (ko) 2019-12-17
JPWO2019111821A1 (ja) 2020-10-08

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